Finding the Fourth Proportional to 4,991,186.72, 6,887,842.27 and 2,699,347.41
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Solution
The fourth proportional to 4,991,186.72, 6,887,842.27 and 2,699,347.41 is: 3,725,101.91
Step by Step Solution
- Step 1: Write the proportion equation
4,991,186.72 : 6,887,842.27 = 2,699,347.41 : x - Step 2: Convert to fraction form
4,991,186.72/6,887,842.27 = 2,699,347.41/x - Step 3: Cross multiply
4,991,186.72x = 6,887,842.27 × 2,699,347.41 - Step 4: Simplify right side
4,991,186.72x = 18,592,679,192,013.02 - Step 5: Solve for x
x = 18,592,679,192,013.02/4,991,186.72 - Step 6: Final answer
x = 3,725,101.91
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.